TY  - BOOK
AU  - Clarke, Keith C. .
TI  - Getting Started With Geographic information Systems
SN  - 0-13-923889-1
U1  - 910.2 
PY  - 1999///
CY  - New Jersey
PB  - Prentice Hall,Upper Saddle River
KW  - Geography
KW  - G-Geog
ER  -